Biotechnological applications of biochemical pathways Quiz

What is one way to increase crop yields?

• Reducing water usage

• Making photosynthesis more efficient

• Increasing pesticide use

• Planting more seeds

What is a possible application of CRISPR-Cas9 to improve crop yields?

• It reduces the need for sunlight

• It creates new alleles that increase yield

• It eliminates the need for water

• It increases the size of the plants

Which enzyme's efficiency can be improved by genome editing to enhance photosynthesis?

• Amylase

• Rubisco

• Lactase

• Protease

What are some traits that can be improved through CRISPR-Cas9?

• Leaf color and plant height

• Photosynthetic efficiency and crop quality

• Seed size and root length

• Flower color and stem thickness

What is anaerobic fermentation of biomass primarily used for?

• Producing plastics

• Generating biofuels

• Creating textiles

• Manufacturing metals

Which of the following is a renewable source of energy?

• Coal

• Biomass

• Natural gas

• Nuclear power

What is the main byproduct when biomass is burned?

• Water

• Heat

• Oxygen

• Nitrogen

Which pathway is involved in the anaerobic fermentation of glucose to ethanol?

• Glucose → pyruvate → acetaldehyde → ethanol

• Glucose → pyruvate → lactic acid

• Glucose → fructose → ethanol

• Glucose → sucrose → ethanol

What is a challenge associated with using agricultural waste for bioethanol production?

• Lack of availability

• High cost of transport and handling

• Excessive water usage

• Limited market demand

What is the main use of biomass in Australia?

• Electricity generation

• Heating

• Transportation

• Cooking